1202122121210 has 16 divisors (see below), whose sum is σ = 2163942669600. Its totient is φ = 480821548176.

The previous prime is 1202122121203. The next prime is 1202122121227. The reversal of 1202122121210 is 121212212021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3227120 + ... + 3580299.

It is an arithmetic number, because the mean of its divisors is an integer number (135246416850).

Almost surely, 2^{1202122121210} is an apocalyptic number.

1202122121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202122121210 is a deficient number, since it is larger than the sum of its proper divisors (961820548390).

1202122121210 is a wasteful number, since it uses less digits than its factorization.

1202122121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6825085.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1202122121210 its reverse (121212212021), we get a palindrome (1323334333231).

It can be divided in two parts, 120212 and 2121210, that added together give a palindrome (2241422).

The spelling of 1202122121210 in words is "one trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred ten".